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Green rectangular circuit board with gold edge connector and black memory chips

OWC

OWC 16GB DDR5 4800 CL40 1.1V ECC SO-DIMM laptop RAM

SKU CH-19E7-TCVRD

16 GB DDR5 4800 CL40 ECC SO-DIMM for laptops, all-in-ones and NAS at 1.1 V

  • Capacity16GB
  • Type262-Pin DDR5 SO-DIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • 16 GB DDR5 memory adds responsive multitasking capacity
  • 4800 MT/s speed keeps data flowing for demanding workloads
  • CL40 latency supports quick access to active applications
  • 1 V operation reduces power draw in portable systems
  • ECC unbuffered design protects data integrity in critical tasks

Product identity

The OWC 16GB DDR5 4800 CL40 1.1V ECC SO-DIMM is a 262-pin laptop memory module designed for notebooks, all-in-one PCs and NAS systems that require JEDEC-standard DDR5 with error-correcting code. It replaces the Samsung M426R2GA3BB0-CQK part and operates at PC5-38400 speed with CL40 latency. Builders needing non-ECC memory or higher frequencies should look elsewhere.

Thermals noise power

The module runs at the standard DDR5 voltage of 1.1V and has no heat spreader, relying on the host system's airflow for cooling. Power draw scales with the 4800 MT/s data rate and 1Rx8 organisation, producing minimal heat in typical laptop or NAS workloads. Acoustic impact is negligible because the component has no moving parts.

Deciding specification

The defining attribute is ECC unbuffered operation in a 262-pin SO-DIMM form factor; only systems that explicitly support ECC DDR5 SO-DIMMs can use this module. Compatibility must be verified against the laptop, all-in-one or NAS motherboard documentation before purchase.

Besonderheiten

  • 16 GB DDR5 memory adds responsive multitasking capacity
  • 4800 MT/s speed keeps data flowing for demanding workloads
  • CL40 latency supports quick access to active applications
  • 1 V operation reduces power draw in portable systems
  • ECC unbuffered design protects data integrity in critical tasks

Technische Daten

BrandOWC
Part Number4C8D51R816GB
Capacity16GB
Type262-Pin DDR5 SO-DIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredUnbuffered
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

Fragen zu diesem Artikel

How do I install the 262-pin DDR5 SO-DIMM and what step do people often miss?

Power off the laptop, remove the battery if accessible, open the memory door, align the notch on the 262-pin module with the slot key, press firmly until the side clips click, then re-enable ECC in the BIOS if the system does not activate it automatically.

What maintenance or replacement will the 16GB ECC module need later?

No scheduled maintenance is required; the unbuffered ECC chips have no battery or moving parts, so replacement is only necessary if a memory test reports correctable errors rising above the platform threshold or if you need more than 16GB capacity.

What limit appears first when the 4800 CL40 1.1V module runs under sustained load?

The CL40 latency at 4800 MT/s sets the throughput ceiling; the 1.1V JEDEC voltage prevents higher frequencies, so sustained bandwidth tops out at the PC5-38400 rating before thermal or power limits are reached.

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